The pulsations of the B5IVe star HD 181231 observed with CoRoT and ground-based spectroscopy

Neiner, C; Gutierrez-Soto, J; Baudin, F; de Batz, B; Fremat, Y; Huat, AL; Floquet, M; Hubert, A-M; Leroy, B; Diago, PD; Poretti, E; Carrier, Fabien; Rainer, M; Catala, C; Thizy, O; Buil, C; Ribeiro, J; Andrade, L; Emilio, M; Lara, F Espinosa; Fabregat, J; Janot-Pacheco, E; Martayan, C; Semaan, T; Suso, J; Baglin, A; Michel, E; Samadi, R

doi:10.1051/0004-6361/200911971

The pulsations of the B5IVe star HD 181231 observed with CoRoT and ground-based spectroscopy

Author:

Neiner, C

Gutierrez-Soto, J ; Baudin, F ; de Batz, B ; Fremat, Y ; Huat, AL ; Floquet, M ; Hubert, A-M ; Leroy, B ; Diago, PD ; Poretti, E ; Carrier, Fabien ; Rainer, M ; Catala, C ; Thizy, O ; Buil, C ; Ribeiro, J ; Andrade, L ; Emilio, M ; Lara, F Espinosa ; Fabregat, J ; Janot-Pacheco, E ; Martayan, C ; Semaan, T ; Suso, J ; Baglin, A ; Michel, E ; Samadi, R

Keywords:

stars: early-type, stars: emission-line, be, stars: individual: hd 181231, stars: rotation, stars: oscillations, b-type stars, solar p-modes, v-sin-i, fundamental parameters, opacity mechanism, seismology fields, magellanic-cloud, rotation rates, time-series, variability, Science & Technology, Physical Sciences, Astronomy & Astrophysics, stars: emission-line, Be, stars: individual: HD 181231, B-TYPE STARS, SOLAR P-MODES, V-SIN-I, FUNDAMENTAL PARAMETERS, OPACITY MECHANISM, SEISMOLOGY FIELDS, MAGELLANIC-CLOUD, ROTATION RATES, TIME-SERIES, VARIABILITY, 0201 Astronomical and Space Sciences, 5101 Astronomical sciences, 5107 Particle and high energy physics, 5109 Space sciences

Abstract:

Context. HD 181231 is a B5IVe star, which has been observed with the CoRoT satellite during similar to 5 consecutive months and simultaneously from the ground in spectroscopy and spectropolarimetry.